From: Avihai Horon <avihaih@xxxxxxxxxx> Enable Relaxed Ordering fro rtrs client and server. Relaxed Ordering is an optional access flag and as such, it is ignored by vendors that don't support it. Signed-off-by: Avihai Horon <avihaih@xxxxxxxxxx> Reviewed-by: Michael Guralnik <michaelgur@xxxxxxxxxx> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx> --- drivers/infiniband/ulp/rtrs/rtrs-clt.c | 6 ++++-- drivers/infiniband/ulp/rtrs/rtrs-srv.c | 15 ++++++++------- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 0d3960ed5b2b..a3fbb47a3574 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -1099,7 +1099,8 @@ static int rtrs_clt_read_req(struct rtrs_clt_io_req *req) .mr = req->mr, .key = req->mr->rkey, .access = (IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_WRITE), + IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_RELAXED_ORDERING), }; wr = &rwr.wr; @@ -1260,7 +1261,8 @@ static int alloc_sess_reqs(struct rtrs_clt_sess *sess) goto out; req->mr = ib_alloc_mr(sess->s.dev->ib_pd, IB_MR_TYPE_MEM_REG, - sess->max_pages_per_mr, 0); + sess->max_pages_per_mr, + IB_ACCESS_RELAXED_ORDERING); if (IS_ERR(req->mr)) { err = PTR_ERR(req->mr); req->mr = NULL; diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index 575f31ff20fd..c28ed5e2245d 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -312,8 +312,8 @@ static int rdma_write_sg(struct rtrs_srv_op *id) rwr.mr = srv_mr->mr; rwr.wr.send_flags = 0; rwr.key = srv_mr->mr->rkey; - rwr.access = (IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_WRITE); + rwr.access = (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_RELAXED_ORDERING); msg = srv_mr->iu->buf; msg->buf_id = cpu_to_le16(id->msg_id); msg->type = cpu_to_le16(RTRS_MSG_RKEY_RSP); @@ -432,8 +432,8 @@ static int send_io_resp_imm(struct rtrs_srv_con *con, struct rtrs_srv_op *id, rwr.wr.send_flags = 0; rwr.mr = srv_mr->mr; rwr.key = srv_mr->mr->rkey; - rwr.access = (IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_WRITE); + rwr.access = (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_RELAXED_ORDERING); msg = srv_mr->iu->buf; msg->buf_id = cpu_to_le16(id->msg_id); msg->type = cpu_to_le16(RTRS_MSG_RKEY_RSP); @@ -638,7 +638,7 @@ static int map_cont_bufs(struct rtrs_srv_sess *sess) goto free_sg; } mr = ib_alloc_mr(sess->s.dev->ib_pd, IB_MR_TYPE_MEM_REG, - sgt->nents, 0); + sgt->nents, IB_ACCESS_RELAXED_ORDERING); if (IS_ERR(mr)) { err = PTR_ERR(mr); goto unmap_sg; @@ -823,8 +823,9 @@ static int process_info_req(struct rtrs_srv_con *con, rwr[mri].wr.send_flags = 0; rwr[mri].mr = mr; rwr[mri].key = mr->rkey; - rwr[mri].access = (IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_WRITE); + rwr[mri].access = + (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_RELAXED_ORDERING); reg_wr = &rwr[mri].wr; } -- 2.30.2